KLOW (4 peptides) adds KPV, often preferred when skin is reactive , inflamed or histamine-prone, because KPV is the calming component
doi: 10.1152/japplphysiol.01405.2005
It also interacts with the dopamine and serotonin systems, though we dont fully understand those pathways yet
Reactive oxygen species, ionizing radiation, and certain chemicals can cause single- and double-strand breaks in DNA 3,4
Besides, serotonin can also regulate regeneration of the biliary tree by targeting cholangiocytes through an autocrine/paracrine signal way 19
The practical consequence of this mechanism is that BPC-157 works best when it can physically reach the target tissue